Min, On Wed, Oct 14, 2009 at 7:51 PM, Min Lim <my...@renci.org> wrote: > Hello, > > With libpfm4, I try to count a few uncore events (e.g. UNC_CLK_UNHALTED) > on Intel Nehalem machine (linux kernel 2.6.32-rc4). But, they all return > "0". The core event counting work well. So, I am wondering whether the > libpfm4 does support the uncore event. Maybe, the kernel does not > support it yet. Please let me know if you have any information about it. > That's normal. I seem to remember I said that uncore PMU support is there in libpfm4 but NOT in perf_events. The issue you're running into is that no error is returned or you're ignoring it. You have to wait until there is uncore PMU support in the kernel.
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